The lovelorn Zheng Jiawen (played by Shu Qi) attempted suicide in Thailand but failed, and she saved her life. After returning to Hong Kong, she was ready to forget the past and start over, but she found that she was pregnant. After careful consideration, she decided to give birth to the child. One day, at the subway station, Jiawen witnessed a woman jumping off the track to commit suicide, but the people around her saw nothing, and the police investigation found nothing, and Jiawen herself was puzzled. Since then, strange things have happened to her one after another. Jiawen sat in a taxi with a faceless ghost, and met a mother and son who jumped off the building to commit suicide while waiting for a bus at the bus stop. She even saw Mrs. Zhou, who was also in the hospital waiting to give birth, with ghosts following her. Jiawen was terrified and determined that all this was related to the woman who committed suicide in the subway. For the sake of her child, she began to investigate the truth of the matter...